Home / 256,234.20-383,444.10-223,315.80

Finding the Fourth Proportional to 256,234.20, 383,444.10 and 223,315.80

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Solution

The fourth proportional to 256,234.20, 383,444.10 and 223,315.80 is: 334,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,234.20 : 383,444.10 = 223,315.80 : x
  2. Step 2: Convert to fraction form
    256,234.20/383,444.10 = 223,315.80/x
  3. Step 3: Cross multiply
    256,234.20x = 383,444.10 × 223,315.80
  4. Step 4: Simplify right side
    256,234.20x = 85,629,125,946.78
  5. Step 5: Solve for x
    x = 85,629,125,946.78/256,234.20
  6. Step 6: Final answer
    x = 334,183.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.